Mitsubishi Lancer. Manual - part 101

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-50

ENGINE CONTROL SYSTEM <4G1-M/T (LHD)> (CONTINUED)

ENGINE CONTROL 
RELAY

FUEL
INJECTOR 1

FUEL
INJECTOR 2

FUEL
INJECTOR 3

FUEL
INJECTOR 4

ENGINE-
ECU

ENGINE 
CONTROL
OXYGEN 
SENSOR 
(REAR)

ENGINE 
CONTROL 
OXYGEN 
SENSOR 
(FRONT)

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-51

INLET MANIFOLD 
ABSOLUTE PRESSURE SENSOR

WATER 
TEMPERA-
TURE 
SENSOR UNIT

THROTTLE 
BODY
THROTTLE 
SENSOR

EMISSION 
SOLENOID 
VALVE 
(PURGE
 CONTROL
 SYSTEM)

EMISSION 
SOLENOID 
VALVE 
(EGR
 SYSTEM)

CAMSHAFT 
POSITION 
SENSOR

ENGINE 
CRANK
ANGLE 
SENSOR

OUTPUT

GND

POWER 
SOURCE

INTAKE AIR 
TEMPERATURE 
SENSOR

Wire colour code
B : Black     LG : Light green     G : Green     L : Blue     W : White     Y : Yellow     SB : Sky blue
BR : Brown     O : Orange     GR : Grey     R : Red     P : Pink     V : Violet     PU : Purple

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-52

ENGINE CONTROL SYSTEM <4G1-M/T (LHD)> (CONTINUED)

CHARGING 
SYSTEM

·MANUAL AIR
 CONDITIONER

·MANUAL AIR
 CONDITIONER

·COOLING
 SYSTEM

THROTTLE 
BODY
IDLE SPEED 
CONTROL
SERVO

ENGINE-ECU

ENGINE CONTROL
DETONATION 
SENSOR

IMMOBILIZER 
SYSTEM

IGNITION 
SYSTEM

FRONT 
SIDE

·AUTOMATIC AIR
 CONDITIONER

·AUTOMATIC AIR
 CONDITIONER

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-53

ENGINE-
ECU

(FUSE     )

2

(FUSE     )

15

DIAGNOSIS 
CONNECTOR

DIAGNOSIS 
CONNECTOR

POWER 
STEERING 
FLUID PRESSURE 
SWITCH

ENGINE 
SPEED 
DETECTION 
CONNECTOR

VEHICLE 
SPEED 
SENSOR

METER AND 
GAUGE

FRONT 
SIDE

Wire colour code
B : Black     LG : Light green     G : Green     L : Blue     W : White     Y : Yellow     SB : Sky blue
BR : Brown     O : Orange     GR : Grey     R : Red     P : Pink     V : Violet     PU : Purple